The OSI-RE-SS is really a reflector- kind linear optical beam smoke detector made to operate as a ingredient of fireplace alarm programs. The beam operates primarily on the principle of light obscuration utilising an Infra-Pink beam. Near/span> You can not obtain this page as this item just isn't offered in https://cruxbookmarks.com/story18603723/the-definitive-guide-to-conventional-beam-detectors